Numb skin with medications Emla, Lidoderm or benzocaine topical, according to MedicineNet, RxList and EverydayHealth. Physicians apply these topical creams to block pain signals before minor surgical procedures. These are prescription medications.
Lidocaine and prilocaine are the active ingredients in Emla, according to MedicineNet. Physicians frequently use Emla as a local anesthetic before minor procedures. Apply this medication according to specific directions for age and type of procedure. Side effects include redness, pain, burning, edema and altered temperature sensation. Store Emla in a tightly closed tube at room temperature.
Lidoderm relieves pain or discomfort from skin irritations, including burns, insect bites, poison ivy and hemorrhoids, as reported by RxList. Apply the smallest amount of medication needed to numb skin or relieve pain. Fatal side effects can result if too much of this medication is absorbed through the skin into the blood. Stop the medication if uneven heartbeats, drowsiness or confusion, tremors or seizure or blurred vision occur. Store out of the reach of children and pets.
Benzocaine works to reduce pain or discomfort caused by minor skin irritations, according to EverydayHealth. Benzocaine is safe to use inside the mouth, nose, throat, vagina or rectum. Use the smallest amount of medication needed to avoid potentially fatal side effects from overdose. Seek emergency medical attention if headache, a tired feeling, confusion, rapid heart rate or lightheadedness occur. Also seek immediate help if shortness of breath or a pale, blue or grey appearance to the skin or nails occurs.